This type of opamp is referred to as an ideal opamp. Normal opamps are configured to be as close to the ideal opamp as possible, with high input resistance and low output resistance. Therefore, it is beneficial for an opamp to have a high amplification factor. ...
In theory their input resistance should be infinite, and the op-amps in use today come very close to this with impedances anywhere from 0.25MΩ upwards. Some using MOSFET input stages have an impedance of hundreds of MΩ. Low output impedance: The op-amp output impedance is also ...
In this circuit above, the load demands and draws a huge amount of current, because the load is low impedance. According to ohm's law, again, current, I=V/R. If a load has very low resistance, it draws huge amounts of current. This causes huge amounts of power to be drawn from ...
Title:Re: What this opamp is doing here Post by:dietert1onJune 15, 2023, 07:49:05 pm I think the opamp is a low frequency servo to reduce/remove the temperature drift of the discrete buffer. It uses negative feedback from the output of the buffer to control DC into the buffer. The...